/Engine/Plugins/Runtime/MassGameplay/Source/MassReplication/Public/MassReplicationTypes.h
Handle of each Agent per Client (bubble), these handles are not consistent between different client bubbles. Using the compact handle here will make the memory footprint smaller and help the ECS system be more cache friendly. TODO: in the long run we can probably use a non serial number handle here, I'd like to stick with the serial number for now though
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FMassReplicatedAgentHandle : public [FCompactIndexedHandleBase](API\Runtime\AIModule\FCompactIndexedHandleBase)